This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A185293 #16 May 20 2020 12:43:09 %S A185293 0,0,0,0,0,0,0,0,0,0,1,9,88238,113315027550,281342192047999912, %T A185293 1251394783006077652496450,9854615127100313024544239975139, %U A185293 134283364935428822131144679491097123786 %N A185293 Number of disconnected 9-regular graphs with 2n nodes. %H A185293 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/D_k-reg_girth_ge_g_index">Index of sequences counting disconnected k-regular simple graphs with girth at least g</a> %Y A185293 9-regular simple graphs: A014381 (connected), this sequence (disconnected). %Y A185293 Disconnected regular simple graphs: A068932 (any degree), A068933 (triangular array), specified degree k: A157928 (k=0), A157928 (k=1), A165652 (k=2), A165653 (k=3), A033483 (k=4), A165655 (k=5), A165656 (k=6), A165877 (k=7), A165878 (k=8), this sequence (k=9), A185203 (k=10), A185213 (k=11). %K A185293 nonn,more,hard %O A185293 0,12 %A A185293 _Jason Kimberley_, Jan 26 2012 %E A185293 a(14)-a(17) from _Andrew Howroyd_, May 20 2020